U3-02 Baby Portable Digital Heart Monitor Home Use
u2-03 Portable Home Medical Ultrasound Fetal Doppler Baby Heartbeat Detection Machine Fetal Heart Rate Monitor
| Product model | u2-03 |
| Working voltage | 3.7V |
| Sound operating frequency | 2.5MHz±10% |
| Bluetooth transmission distance | |
| Overall sensitivity | ≥90dB |
| Detection range | 60 - 210bpm |
| Product size | |
| Weight | 190g |
